Clean Water Lab Report

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AIM To clean water through an inexpensive water filter system, that has a pH which is close to 7. HYPOTHESIS The water that is filtered and boiled will have the highest levels of purification. VARIABLES Independent: The dirty waters pH level Dependent: The pH level of the water tested in each experiment Controlled: The layers of the materials in the water filter. Each material in the water filer. The 500ml glass. APPARATUS • 250mL of dirty water (x3) • Medium sized metal container, must including a detachable lid • Packet of clean coarse sand (sandwich bag) • Packet of crushed charcoal (sandwich bag) • Packet of clean fine sand (sandwich bag ) • Packet of clean gravel (sandwich bag) • Packet…show more content…
Step2: Test the pH in the water using the following method. 1. Being careful, take a test strip out of your pH kit. 2. Dip the strip in the water for a couple of seconds (exact number of seconds will be in the instructions on the box) don’t stir the strip. 3. Remove the strip from the glass and wait until the end of it has changed. 4. The different colours of the strip will be shown on the graph which will indicate the waters pH levels. Find the colour and record the result. 5. Keep the strip in a safe place. NOTE: THE METHOD ABOVE WILL BE REFERED TO AS THE ‘PH TEST METHOD’. USE THIS METHOD WHEN MENTIONED TO DO…show more content…
Step 6: Then take your packet of gravel and place it on top of the layer of grass. Step 7: Then take your packet of small rocks and place it on top of the layer of gravel. Step 8: Now take an empty glass and place it under the nozzle of the filter. Step 9: If the lid on the filter is on, still on remove it. Step 10: Pour the water into the filter system. Step 11: Now do the ‘pH test method’ Experiment 3 Step 1: Take your water filter system from experiment 2 and place a new, clean glass under the nozzle. Step 2: Pour another 500ml of dirty water in the filter. Step 3: Pour the filtered water into your metal container and set it aside. Step 4: go to a non-windy, sandy area. Step 5: Make a fire: • Crumple up each sheet of your newspaper into balls. • Place it down on the ground • Add the twigs and sticks in between the newspaper • Place the wood on top of the newspaper and twigs • Light a match and hold it against the newspaper • Wait for the pieces of wood to catch on fire • WARNING: PLACE BRICKS OR NON-FLAMABLE THINGS AROUND THE FIRE SO IT BECOMES A CONTROLLED FIRE. Step 6: Now that you have a fire, place your metal box close to the fire, as far in as you

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